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4 jaw it is then.

Finally got around to getting the chuck off. Chuck backplate is poorly machined and made out of aluminum. To be honest these probably aren't even the right jaws for this chuck. This lathe came with...

Well, I got the chuck off. The spindle looks good. The backplate mounted to the chuck is aluminum which I don't think is causing an issue but just something weird I noticed. I'm going to buy a new...

Yes, I have tried suggestions here. I'm going to pull the chuck off to do a better cleaning. I tried changing the order of the jaws and that makes the runout much worse. To eliminate the possibility...

I was over complicating machining the back plate. I'll buy a semi-finished one and just get a new chuck most likely a 6" bison.

Thanks for the help! It seems the chuck on there is just junk. Tried setting the jaws right but no luck. Looking into getting a bison chuck but having trouble finding a finished back plate. Also...

Hello, I recently got my first lathe. It's a south bend model 9a. It came with a 8"(pretty sure it is) Phase II 3 jaw chuck. The runout on the base of the chuck is not bad. But if I put anything in...